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Message: [QUOTE="snoopy_of_notts, post: 1145260, member: 69586"] help needed for my ktm 250 2stroke i use a ngkbr8ecm plug but it seems to give up after a couple of hours when taken out it has like an oil texture on it but when cleaned they dont work .............IS THIS A FEUL MIXTURE PROBLEM OR SOMTHING MORE LIKE RINGS...my mixture screw is out 1 1/2 turns and the mix is 50-1 as told by someone as im new to motorcross but it dont seem right...i was told today it could be firing incorectly/missing and to check the points.. but dont have a manual to find out any of the settings;PLEASE CAN ANY ONE HELP WITH THESE PROBLEMS ANY ADVISE WELCOME AND APPRIECIATED [/QUOTE]